package com.zsj.shiro.controller;

import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class HomeController {
	
	@RequestMapping({"/","/index1"})
    public String index(){
       return "/index1";
    }
   
    @RequestMapping(value="/login",method=RequestMethod.GET)
    public String login(){
       return "login";
    }
    
 // 登录提交地址和applicationontext-shiro.xml配置的loginurl一致。 (配置文件方式的说法)
 	@RequestMapping(value="/login",method=RequestMethod.POST)  
     public String login(HttpServletRequest request, Map<String, Object> map) throws Exception {  
        System.out.println("HomeController.login()");  
        // 登录失败从request中获取shiro处理的异常信息。  
        // shiroLoginFailure:就是shiro异常类的全类名.  
        String exception = (String) request.getAttribute("shiroLoginFailure");  
    
        System.out.println("exception=" + exception);  
        String msg = "";  
        if (exception != null) {  
            if (UnknownAccountException.class.getName().equals(exception)) {  
               System.out.println("UnknownAccountException -- > 账号不存在：");  
               msg = "UnknownAccountException -- > 账号不存在：";  
            } else if (IncorrectCredentialsException.class.getName().equals(exception)) {  
               System.out.println("IncorrectCredentialsException -- > 密码不正确：");  
               msg = "IncorrectCredentialsException -- > 密码不正确：";  
            } else if ("kaptchaValidateFailed".equals(exception)) {  
               System.out.println("kaptchaValidateFailed -- > 验证码错误");  
               msg = "kaptchaValidateFailed -- > 验证码错误";  
            } else {  
               msg = "else >> "+exception;  
               System.out.println("else -- >" + exception);  
            }  
        }  
        map.put("msg", msg);  
        // 此方法不处理登录成功,由shiro进行处理.  
        return "/login";  
     }
}
